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Grade 1 Titanium vs. S35315 Stainless Steel

Grade 1 titanium belongs to the titanium alloys classification, while S35315 stainless steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is grade 1 titanium and the bottom bar is S35315 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120
190
Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 28
46
Fatigue Strength, MPa 170
280
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 39
78
Shear Strength, MPa 200
520
Tensile Strength: Ultimate (UTS), MPa 310
740
Tensile Strength: Yield (Proof), MPa 220
300

Thermal Properties

Latent Heat of Fusion, J/g 420
330
Maximum Temperature: Mechanical, °C 320
1100
Melting Completion (Liquidus), °C 1660
1370
Melting Onset (Solidus), °C 1610
1330
Specific Heat Capacity, J/kg-K 540
480
Thermal Conductivity, W/m-K 20
12
Thermal Expansion, µm/m-K 8.8
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.7
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 37
34
Density, g/cm3 4.5
7.9
Embodied Carbon, kg CO2/kg material 31
5.7
Embodied Energy, MJ/kg 510
81
Embodied Water, L/kg 110
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79
270
Resilience: Unit (Modulus of Resilience), kJ/m3 230
230
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 19
26
Strength to Weight: Bending, points 23
23
Thermal Diffusivity, mm2/s 8.2
3.1
Thermal Shock Resistance, points 24
17

Alloy Composition

Carbon (C), % 0 to 0.080
0.040 to 0.080
Cerium (Ce), % 0
0.030 to 0.1
Chromium (Cr), % 0
24 to 26
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
33.6 to 40.6
Manganese (Mn), % 0
0 to 2.0
Nickel (Ni), % 0
34 to 36
Nitrogen (N), % 0 to 0.030
0.12 to 0.18
Oxygen (O), % 0 to 0.18
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
1.2 to 2.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 99.095 to 100
0
Residuals, % 0 to 0.4
0